Home / 5,248.38-7,870.34-2,129.07

Finding the Fourth Proportional to 5,248.38, 7,870.34 and 2,129.07

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Solution

The fourth proportional to 5,248.38, 7,870.34 and 2,129.07 is: 3,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.38 : 7,870.34 = 2,129.07 : x
  2. Step 2: Convert to fraction form
    5,248.38/7,870.34 = 2,129.07/x
  3. Step 3: Cross multiply
    5,248.38x = 7,870.34 × 2,129.07
  4. Step 4: Simplify right side
    5,248.38x = 16,756,504.78
  5. Step 5: Solve for x
    x = 16,756,504.78/5,248.38
  6. Step 6: Final answer
    x = 3,192.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.